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1 : | edgomez | 1382 | ;/**************************************************************************** |
2 : | Isibaar | 3 | ; * |
3 : | edgomez | 1382 | ; * XVID MPEG-4 VIDEO CODEC |
4 : | ; * - MMX CBP computation - | ||
5 : | Isibaar | 3 | ; * |
6 : | Skal | 1629 | ; * Copyright (C) 2005 Carlo Bramini <carlo.bramix@libero.it> |
7 : | ; * 2001-2003 Peter Ross <pross@xvid.org> | ||
8 : | edgomez | 1382 | ; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
9 : | Isibaar | 3 | ; * |
10 : | edgomez | 1382 | ; * This program is free software ; you can redistribute it and/or modify |
11 : | ; * it under the terms of the GNU General Public License as published by | ||
12 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
13 : | ; * (at your option) any later version. | ||
14 : | Isibaar | 3 | ; * |
15 : | edgomez | 1382 | ; * This program is distributed in the hope that it will be useful, |
16 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
17 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 : | ; * GNU General Public License for more details. | ||
19 : | Isibaar | 3 | ; * |
20 : | edgomez | 1382 | ; * You should have received a copy of the GNU General Public License |
21 : | ; * along with this program ; if not, write to the Free Software | ||
22 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 : | Isibaar | 3 | ; * |
24 : | Isibaar | 1795 | ; * $Id: cbp_mmx.asm,v 1.17 2008-11-26 01:04:34 Isibaar Exp $ |
25 : | Isibaar | 3 | ; * |
26 : | edgomez | 1382 | ; ***************************************************************************/ |
27 : | Isibaar | 3 | |
28 : | edgomez | 1382 | ;============================================================================= |
29 : | ; Macros | ||
30 : | ;============================================================================= | ||
31 : | Isibaar | 3 | |
32 : | Isibaar | 1795 | %include "nasm.inc" |
33 : | Isibaar | 3 | |
34 : | edgomez | 1382 | ;============================================================================= |
35 : | ; Local data | ||
36 : | ;============================================================================= | ||
37 : | Isibaar | 3 | |
38 : | Isibaar | 1795 | DATA |
39 : | Isibaar | 3 | |
40 : | Isibaar | 1795 | ALIGN SECTION_ALIGN |
41 : | Isibaar | 3 | |
42 : | Skal | 1629 | mult_mask: |
43 : | db 0x10,0x20,0x04,0x08,0x01,0x02,0x00,0x00 | ||
44 : | edgomez | 1382 | ignore_dc: |
45 : | Skal | 1629 | dw 0, -1, -1, -1 |
46 : | edgomez | 1382 | |
47 : | ;============================================================================= | ||
48 : | ; Code | ||
49 : | ;============================================================================= | ||
50 : | |||
51 : | Isibaar | 1795 | SECTION .rotext align=SECTION_ALIGN |
52 : | edgomez | 1382 | |
53 : | Isibaar | 262 | cglobal calc_cbp_mmx |
54 : | Isibaar | 3 | |
55 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
56 : | Isibaar | 3 | ; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]); |
57 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
58 : | Isibaar | 3 | |
59 : | Isibaar | 1795 | %macro MAKE_LOAD 2 |
60 : | por mm0, [%2-128*1+%1*8] | ||
61 : | por mm1, [%2+128*0+%1*8] | ||
62 : | por mm2, [%2+128*1+%1*8] | ||
63 : | por mm3, [%2+128*2+%1*8] | ||
64 : | por mm4, [%2+128*3+%1*8] | ||
65 : | por mm5, [%2+128*4+%1*8] | ||
66 : | Skal | 1629 | %endmacro |
67 : | |||
68 : | Isibaar | 1795 | ALIGN SECTION_ALIGN |
69 : | Isibaar | 262 | calc_cbp_mmx: |
70 : | Isibaar | 1795 | mov _EAX, prm1 ; coeff |
71 : | Isibaar | 3 | |
72 : | edgomez | 1382 | movq mm7, [ignore_dc] |
73 : | Skal | 1629 | pxor mm6, mm6 ; used only for comparing |
74 : | Isibaar | 1795 | movq mm0, [_EAX+128*0] |
75 : | movq mm1, [_EAX+128*1] | ||
76 : | movq mm2, [_EAX+128*2] | ||
77 : | movq mm3, [_EAX+128*3] | ||
78 : | movq mm4, [_EAX+128*4] | ||
79 : | movq mm5, [_EAX+128*5] | ||
80 : | add _EAX, 8+128 | ||
81 : | edgomez | 1382 | pand mm0, mm7 |
82 : | Skal | 1629 | pand mm1, mm7 |
83 : | pand mm2, mm7 | ||
84 : | pand mm3, mm7 | ||
85 : | pand mm4, mm7 | ||
86 : | pand mm5, mm7 | ||
87 : | Isibaar | 3 | |
88 : | Isibaar | 1795 | MAKE_LOAD 0, _EAX |
89 : | MAKE_LOAD 1, _EAX | ||
90 : | MAKE_LOAD 2, _EAX | ||
91 : | MAKE_LOAD 3, _EAX | ||
92 : | MAKE_LOAD 4, _EAX | ||
93 : | MAKE_LOAD 5, _EAX | ||
94 : | MAKE_LOAD 6, _EAX | ||
95 : | MAKE_LOAD 7, _EAX | ||
96 : | MAKE_LOAD 8, _EAX | ||
97 : | MAKE_LOAD 9, _EAX | ||
98 : | MAKE_LOAD 10, _EAX | ||
99 : | MAKE_LOAD 11, _EAX | ||
100 : | MAKE_LOAD 12, _EAX | ||
101 : | MAKE_LOAD 13, _EAX | ||
102 : | MAKE_LOAD 14, _EAX | ||
103 : | Isibaar | 3 | |
104 : | Skal | 1629 | movq mm7, [mult_mask] |
105 : | packssdw mm0, mm1 | ||
106 : | packssdw mm2, mm3 | ||
107 : | packssdw mm4, mm5 | ||
108 : | packssdw mm0, mm2 | ||
109 : | packssdw mm4, mm6 | ||
110 : | suxen_drol | 1642 | pcmpeqw mm0, mm6 |
111 : | pcmpeqw mm4, mm6 | ||
112 : | pcmpeqw mm0, mm6 | ||
113 : | pcmpeqw mm4, mm6 | ||
114 : | Skal | 1629 | psrlw mm0, 15 |
115 : | psrlw mm4, 15 | ||
116 : | packuswb mm0, mm4 | ||
117 : | pmaddwd mm0, mm7 | ||
118 : | Isibaar | 3 | |
119 : | edgomez | 1382 | movq mm1, mm0 |
120 : | psrlq mm1, 32 | ||
121 : | Skal | 1629 | paddusb mm0, mm1 |
122 : | Isibaar | 3 | |
123 : | Skal | 1629 | movd eax, mm0 |
124 : | Isibaar | 1795 | shr _EAX, 8 |
125 : | and _EAX, 0x3F | ||
126 : | edgomez | 1382 | ret |
127 : | Isibaar | 1793 | ENDFUNC |
128 : | edgomez | 1540 | |
129 : | Isibaar | 1790 | |
130 : | %ifidn __OUTPUT_FORMAT__,elf | ||
131 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
132 : | %endif | ||
133 : |
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